/*
 * Copyright (c) 2011, Marc-Andre Ferland - madrang@gmail.com
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the The Warrent Team nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *     * This software is free for non-commercial use. You may not use this
 *       software, in whole or in part, in support of any commercial product
 *       without the express consent of the author.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE WARRENT TEAM BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
using System;
using NUnit.Framework;

namespace OsHelperNUnit
{
	
	[TestFixture()]
	public class Worker
	{
		[Test()]
		public void InvokeTest ()
		{
			OsHelper.Worker TestWorker = new OsHelper.Worker();
			
			Assert.IsFalse(TestWorker.WaitHandle.WaitOne(0));
			
			// Reset Counter
			int a = Assert.Counter;
			// Do something with a to remove warning.
			Assert.Greater(a, 0);
			
			// Should execute now.
			// Counter should still be at 0.
			TestWorker.Invoke(() => {
				
				// Sleep 1 to allow executing other thread.
				System.Threading.Thread.Sleep(1);
				
				Assert.AreEqual(0, Assert.Counter);
			});
			
			Assert.IsFalse(TestWorker.WaitHandle.WaitOne(0));
			
			a = Assert.Counter;
			
			// Create new work on an other thread so it will need to be invoked
			// to be executed by the thread that created the worker.
			OsHelper.Worker.RunOnThread(()=> {
				TestWorker.Invoke(() => {
					System.Threading.Thread.Sleep(1);
					
					//One assert is executed to be sure the worker WaitHandle is unlocked
					Assert.AreEqual(1, Assert.Counter);
				});
			}).Join();
			
			Assert.IsTrue(TestWorker.WaitHandle.WaitOne(0));
			
			TestWorker.DoWork(0);
		}
	}
}

